| Lake Tapps to Opwijk | 4,942.53 mi (7,954.23 km) |
| Lake Tapps to Ostend | 4,896.04 mi (7,879.41 km) |
| Lake Tapps to Oud-Heverlee | 4,962.17 mi (7,985.84 km) |
| Lake Tapps to Oud-Turnhout | 4,942.61 mi (7,954.36 km) |
| Lake Tapps to Oudenaarde | 4,934.39 mi (7,941.13 km) |
| Lake Tapps to Oudenburg | 4,900.46 mi (7,886.53 km) |
| Lake Tapps to Oupeye | 4,993.50 mi (8,036.26 km) |
| Lake Tapps to Overijse | 4,961.67 mi (7,985.03 km) |
| Lake Tapps to Overpelt | 4,958.95 mi (7,980.65 km) |
| Lake Tapps to Paal | 4,963.05 mi (7,987.25 km) |
| Lake Tapps to Peer | 4,964.63 mi (7,989.80 km) |
| Lake Tapps to Pepinster | 5,005.87 mi (8,056.16 km) |
| Lake Tapps to Peruwelz | 4,952.71 mi (7,970.62 km) |
| Lake Tapps to Perwez | 4,977.74 mi (8,010.90 km) |
| Lake Tapps to Philippeville | 4,995.14 mi (8,038.90 km) |
